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Geometry has three building blocks: points, lines and planes. Everything else in geometry will build off of these three blocks.
A point is a single location in space. Wherever two lines intersect one another, that exact place where the lines intersect is known as a point. Through any two points there is exactly one line. A line is an indication of distance that continues indefinitely in two different directions and is always straight – it is never curved. A plane is any flat surface such as a floor or a wall or a piece of paper. The intersection of two planes creates a line.
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